Synthesis and electrochemical properties of various dimensional polyaniline micro/nanostructures: Microdisks, nanospheres and nanofibers

被引：11
作者：
Fan, Haosen [1 ]
Wang, Hao [1 ]
Yu, Xiaolan [1 ]
Zhao, Ning [1 ]
Zhang, Xiaoli [1 ]
Xu, Jian [1 ]
机构：
[1] Chinese Acad Sci, Beijing Natl Lab Mol Sci, Lab Polymer Phys & Chem, Inst Chem, Beijing 100190, Peoples R China
来源：
MATERIALS LETTERS | 2012年 / 71卷
基金：
中国国家自然科学基金;
关键词：
Micro/nanostructure; Oxidation; Polyaniline; Polymers; Polyvinylpyrrolidone; LEAF-LIKE POLYANILINE; NANOTUBE; CARBON; TEMPLATE; SURFACE;
D O I：
10.1016/j.matlet.2011.11.121
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Different polyaniline (PANI) micro/nanostructures, such as hollow microdisks, nanospheres, and nanofibers, have been synthesized in the presence of polyvinylpyrrolidone (PVP) by changing the pH values of reaction system through chemical oxidation polymerization. The formation mechanism experiments indicated that the disk-shaped PANI originated from cycloidal nanoplates, which then self-assembled into disk-shaped PANI. And pH value has an important effect on the arranged state of PVP chains and further impacts the micro/nanostructures of obtained products. It is found that the obtained PANI micro/nanostructures exhibit better electrochemical behavior in HCl solution with the decrease of pH value of reaction system, indicating a potential application in biosensor. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：70 / 73
页数：4
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